Karst Risk Map of Nova Scotia

A sinkhole is a natural depression or hole in the Earth's surface which may have various causes. Most natural sinkholes are caused by the chemical dissolution of water-soluble carbonate rocks or gypsum. Sinkholes may vary in size from 1 to 600 m both in diameter and depth. Sinkholes may be formed gradually or by sudden collapse and are found worldwide in ‘karst areas.’ Karst areas are not unique to Nova Scotia; in fact, they occur in over a quarter of the earth’s surface. As a result, there are well-established methods for reducing karst risks. These include actions that can be taken both at the planning and construction stage of a project, as well as on-going actions that reduce the risk of future sinkhole formation. This dataset was developed to show areas of Nova Scotia where there is a relatively high-medium-low risk of encountering karst and naturally occurring sinkholes caused by soluble bedrock.

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Last Updated October 22, 2024, 16:00 (UTC)
Created October 1, 2024, 07:40 (UTC)
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2020-02-04
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Government of Nova Scotia | Gouvernment de la Nouvelle-Écosse
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Government of Nova Scotia; Government of Nova Scotia; Natural Resources and Renewables, https://novascotia.ca/opendata/contact-us
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https://open.canada.ca/data/en/dataset/0721f0bb-a6c0-a592-ddf1-639a7f6cff0e
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